Mainframe Software Engineer I, COBOL

FIS is a financial services and technology company. The Mainframe Software Engineer I will develop, enhance, test, and support COBOL-based mainframe applications for card management and payment processing, while collaborating across teams and supporting compliance, production operations, and modernization initiatives.

What you'll do:

• Develop, enhance, and maintain mainframe applications using COBOL and related technologies
• Design and execute comprehensive unit tests to validate application functionality and performance
• Collaborate with business, product, quality assurance, and engineering teams throughout the development lifecycle
• Conduct peer code reviews and contribute to continuous improvement of development standards
• Participate in technical design discussions, code walkthroughs, and solution reviews
• Create and maintain technical documentation, test evidence, and change records to support audit and compliance requirements

What they're looking for:

• * COBOL Programming Fundamentals. (1 - 3 years experience)
• * IBM z/OS Mainframe Knowledge
• * Foundational knowledge with IMS DB/DC, CICS, VSAM, IMS, DB2, and MQ Series
• * Knowledge of software development lifecycle practices, testing methodologies, and change management processes
• * Strong analytical, troubleshooting, and problem-solving capabilities
• * Excellent verbal and written communication skills with the ability to work effectively across teams
• * Knowledge of Agile or Scrum delivery methodologies
• * Experience within card payments, debit processing, or financial services domains
• * Exposure to payment processing, transaction management, reconciliation, or settlement systems
• * Familiarity with modernization initiatives, API integration, and legacy system transformation
• * Experience supporting compliance, security remediation, and vulnerability management programs

Benefits:

• Private medical cover
• Dental cover
• Travel insurance
• A variety of career development tools, resources and opportunities
• Hybrid work arrangement for Jacksonville, Atlanta, and Milwaukee only